diff options
Diffstat (limited to 'drivers/pinctrl/freescale/pinctrl-imx.c')
| -rw-r--r-- | drivers/pinctrl/freescale/pinctrl-imx.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/pinctrl/freescale/pinctrl-imx.c b/drivers/pinctrl/freescale/pinctrl-imx.c index 448f10986c28..e261f1cf85c6 100644 --- a/drivers/pinctrl/freescale/pinctrl-imx.c +++ b/drivers/pinctrl/freescale/pinctrl-imx.c @@ -542,10 +542,13 @@ static int imx_pinctrl_parse_groups(struct device_node *np, struct imx_pin_reg *pin_reg; struct imx_pin *pin = &grp->pins[i]; - if (info->flags & SHARE_MUX_CONF_REG) + if (info->flags & SHARE_MUX_CONF_REG) { conf_reg = mux_reg; - else + } else { conf_reg = be32_to_cpu(*list++); + if (!conf_reg) + conf_reg = -1; + } pin_id = mux_reg ? mux_reg / 4 : conf_reg / 4; pin_reg = &info->pin_regs[pin_id]; @@ -645,7 +648,7 @@ int imx_pinctrl_probe(struct platform_device *pdev, { struct imx_pinctrl *ipctl; struct resource *res; - int ret; + int ret, i; if (!info || !info->pins || !info->npins) { dev_err(&pdev->dev, "wrong pinctrl info\n"); @@ -662,7 +665,11 @@ int imx_pinctrl_probe(struct platform_device *pdev, info->npins, GFP_KERNEL); if (!info->pin_regs) return -ENOMEM; - memset(info->pin_regs, 0xff, sizeof(*info->pin_regs) * info->npins); + + for (i = 0; i < info->npins; i++) { + info->pin_regs[i].mux_reg = -1; + info->pin_regs[i].conf_reg = -1; + } res = platform_get_resource(pdev, IORESOURCE_MEM, 0); ipctl->base = devm_ioremap_resource(&pdev->dev, res); |